diff --git a/.gitignore b/.gitignore
index eee5a86..0b82f07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,3 @@
 resources/
 public/
 .hugo_build.lock
-go.sum
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..89af1b0
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "themes/PaperMod"]
+	path = themes/PaperMod
+	url = https://github.com/adityatelange/hugo-PaperMod.git
diff --git a/config.yml b/config.yml
index f31e90d..3848ee0 100644
--- a/config.yml
+++ b/config.yml
@@ -1,7 +1,4 @@
-module:
-  imports:
-    - path: github.com/adityatelange/hugo-PaperMod
-
+theme: ["PaperMod"]
 baseURL: "https://tiennm99.github.io"
 title: miti99
 paginate: 5
diff --git a/go.mod b/go.mod
deleted file mode 100644
index dfe01b0..0000000
--- a/go.mod
+++ /dev/null
@@ -1,5 +0,0 @@
-module github.com/tiennm99/miti99
-
-go 1.22.0
-
-require github.com/adityatelange/hugo-PaperMod v0.0.0-20240915081152-a2eb47bb4b80 // indirect
diff --git a/themes/PaperMod b/themes/PaperMod
new file mode 160000
index 0000000..a2eb47b
--- /dev/null
+++ b/themes/PaperMod
@@ -0,0 +1 @@
+Subproject commit a2eb47bb4b805116dcd34c1605d39835121f8dbe